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  1. #!/usr/bin/env python
  2.  
  3. import socket
  4. import sys
  5.  
  6. HOST = "127.0.0.1"
  7. PORT = 9001
  8.  
  9. def client(n):
  10. 	global HOST, PORT
  11. 	sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  12. 	sock.connect((HOST, PORT))
  13. 	while n > 0:
  14. 		sock.send(str(n))
  15. 		data = sock.recv(20)
  16. 		sys.stdout.write("%02d: %s" % (n, data))
  17. 		n -= 1
  18. 	sock.close()
  19.  
  20. def server():
  21. 	global HOST, PORT
  22. 	sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  23. 	sock.bind((HOST, PORT))
  24. 	sock.listen(1)
  25. 	while True:
  26. 		conn, addr = sock.accept()
  27. 		conn.setblocking(1)
  28. 		while True:
  29. 			i = 0
  30. 			try:
  31. 				i = int(conn.recv(20))
  32. 			except:
  33. 				break
  34. 			s = ""
  35. 			if (i % 3) == 0:
  36. 				s += "fizz"
  37. 			if (i % 5) == 0:
  38. 				s += "buzz"
  39. 			conn.send(s + "\n")
  40. 			if i == 0:
  41. 				break
  42. 		conn.close()
  43.  
  44. if __name__ == '__main__':
  45. 	if len(sys.argv) < 2:
  46. 		print("Usage: %s <client|server> [number]" % sys.argv[0])
  47. 		exit(1)
  48. 	if sys.argv[1] == "client":
  49. 		if len(sys.argv) < 3:
  50. 			print("Usage: %s <client|server> [number]" % sys.argv[0])
  51. 			exit(1)
  52. 		client(int(sys.argv[2]))
  53. 	elif sys.argv[1] == "server":
  54. 		server()
  55. 	else:
  56. 		print("Usage: %s <client|server> [number]" % sys.argv[0])
  57. 		exit(1)
  58.  
Runtime error #stdin #stdout 0.02s 10352KB
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stdin
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Standard input is empty
stdout
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Usage: prog <client|server> [number]
https://ideone.com/MFGZDp
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
public

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